*{
    margin: 0;
    padding: 0;
}
body {
    a {
        color: black;
        text-decoration: none;
    }
    ul,
    li {
        list-style: none;
    }
    em{
        font-weight: normal;
        font-style: normal;
    }
}




.main {
    width: 900px;
    border-left: 1.5px solid #e6e6e6;
    border-right: 1.5px solid #e6e6e6;
    margin: 0 auto;
    padding: 40px;
}